GeForce GTX 680M and Steam Deck GPU - video card comparison

GeForce GTX 680M

Steam Deck GPU

Architecture

Kepler (2012−2018)

RDNA 2.0 (2020−2022)

GPU code name

N13E-GTX

Van Gogh

Market segment

Laptop

Desktop

Release date

June 2012

February 2022

Bus support

PCI Express 3.0

-

Interface

MXM-B (3.0)

-

Supplementary power connectors

None

None

SLI options

+

-

Boost clock speed

758 MHz

1600 MHz

Core clock speed

720 MHz

-

CUDA cores

1344

-

Floating-point performance

2,038 gflops

-

Manufacturing process technology

28 nm

7 nm

Number of transistors

3,540 million

2,400 million

Pipelines / CUDA cores

1344

512

Power consumption (TDP)

100 Watt

15 Watt

Texture fill rate

80.6 billion/sec

51.20

Memory type

GDDR5

LPDDR5

Maximum RAM amount

4 GB

16 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1800 MHz

5.5 GB/s

Memory bandwidth

115.2 GB/s

88 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x USB Type-C

DirectX

12 API

12 (12_1)

CUDA

+

-

OpenCL

1.1

2.0

OpenGL

4.5

4.6

Shader Model

5.1

6.5

Vulkan

1.1.126

1.2

Optimus

+

-